The most stable carbonate is?

L i_{2} C O_{3}

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B e C O_{3}

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C a C O_{3}

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B a C O_{3}

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Solution

The correct option is C $B a C O_{3}$
As we go down the group the size of metal increases, so polarisation decreases and the thermal stability of carbonate increases.
So, $B a C O_{3}$ is more stable carbonate.
Hence. the correct option is D.

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Similar questions

Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal Carbonates is most stable thermally?
(a) $M g C O_{3}$ (b) $C a C O_{3}$ (c) $S r C O_{3}$ (d) $B a C O_{3}$

Q. Q. Arrange in the thermal stability order of carbonates
Na2CO3, K2CO3, BeCO3, BaCO3

Q. Arrange the following in increasing lattice energy.

B e C O_{3}, M g C O_{3}, C a C O_{3}, S r C O_{3}, B a C O_{3}

Which one of the alkaline earth metal carbonates is thermally the most stable?

(a) MgCO₃ (b) CaCO₃ (c) SrCO₃ (d) BaCO₃

Q. Decomposition temperature of

C a C O_{3}

(s) is approximately

900^{0} C

. Which of the following decompose below

900^{0} C

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The most stable carbonate is?

The correct option is C BaCO3As we go down the group the size of metal increases, so polarisation decreases and the thermal stability of carbonate increases.So, BaCO3 is more stable carbonate.Hence. the correct option is D.

The correct option is C $B a C O_{3}$
As we go down the group the size of metal increases, so polarisation decreases and the thermal stability of carbonate increases.
So, $B a C O_{3}$ is more stable carbonate.
Hence. the correct option is D.